- - Push (Add an Element): Add an element to the top of the stack.
- - Pop (Remove an Element): Remove the element from the top.
- - isFull: Check if the stack has reached its limit (in this case, 10).
- - isEmpty: Check if the stack is empty.
- - Display: Display the stack elements.
1.Example:
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Stack | Last In First Out (LIFO) or First in Last out | - By Sudhanshu Gaikwad (FILO)</title>
</head>
<body>
<h3>Stack in Javascript</h3>
<script>
let Data = [];
// Add an element to the array
function AddEle(Ele) {
if (isFull()) {
console.log("Array is Full, Element can't be added!");
} else {
console.log("Element Added!");
Data.push(Ele);
}
}
// Check if the array is full
function isFull() {
return Data.length >= 10;
}
// Remove an element from the array
function Remove() {
if (isEmpty()) {
console.log("Array is Empty, can't remove element!");
} else {
Data.pop();
console.log("Element Removed!");
}
}
// Check if the array is empty
function isEmpty() {
return Data.length === 0;
}
// Display the array elements
function Display() {
console.log("Updated Array >> ", Data);
}
// Example usage
AddEle(55);
AddEle(85);
AddEle(25);
Remove();
Display(); // [55, 85]
</script>
</body>
</html>
2.Example:
index2.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>What is Stack in JavaScript | By Sudhanshu Gaikwad</title>
<style>
* {
box-sizing: border-box;
}
body {
font-family: "Roboto Condensed", sans-serif;
background-color: #f4f4f4;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
height: 100vh;
}
.container {
background-color: white;
padding: 20px;
border-radius: 10px;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
max-width: 400px;
width: 100%;
margin-bottom: 20px;
}
h3 {
color: #333;
text-align: center;
margin-bottom: 20px;
}
input {
padding: 10px;
width: calc(100% - 20px);
margin-bottom: 10px;
border: 1px solid #ccc;
border-radius: 5px;
}
button {
padding: 10px;
margin: 10px 0;
border: none;
border-radius: 5px;
background-color: #292f31;
color: white;
cursor: pointer;
width: 100%;
}
button:hover {
background-color: #e9e9ea;
color: #292f31;
}
.message {
margin-top: 15px;
color: #333;
font-size: 16px;
text-align: center;
}
.footer {
text-align: center;
margin-top: 20px;
font-size: 14px;
color: #555;
}
/* Responsive design */
@media (max-width: 768px) {
.container {
padding: 15px;
max-width: 90%;
}
button {
font-size: 14px;
}
input {
font-size: 14px;
}
}
</style>
</head>
<body>
<div class="container">
<!-- Title -->
<h3>Stack in JavaScript</h3>
<!-- Input section -->
<input type="text" id="AddEle" placeholder="Enter an element" />
<!-- Buttons section -->
<button onclick="AddData()">Add Element</button>
<button onclick="RemoveEle()">Remove Element</button>
<button onclick="Display()">Show Array</button>
<!-- Message sections -->
<div id="Add" class="message"></div>
<div id="Remove" class="message"></div>
<div id="Display" class="message"></div>
</div>
<!-- Footer with copyright symbol -->
<div class="footer">
© 2024 Sudhanshu Developer | All Rights Reserved
</div>
<script>
let Data = [];
// Function to add an element to the stack
function AddData() {
let NewEle = document.getElementById("AddEle").value;
if (isFull()) {
document.getElementById("Add").innerHTML = "Array is full, element cannot be added!";
} else if (NewEle.trim() === "") {
document.getElementById("Add").innerHTML = "Please enter a valid element!";
} else {
Data.push(NewEle);
document.getElementById("Add").innerHTML = `Element "${NewEle}" added!`;
document.getElementById("AddEle").value = "";
console.log("Current Array: ", Data);
Display();
}
}
function isFull() {
return Data.length >= 10;
}
function RemoveEle() {
if (isEmpty()) {
document.getElementById("Remove").innerHTML = "Array is empty!";
} else {
let removedElement = Data.pop();
document.getElementById("Remove").innerHTML = `Element "${removedElement}" removed!`;
console.log("Current Array: ", Data);
Display();
}
}
function isEmpty() {
return Data.length === 0;
}
function Display() {
let displayArea = document.getElementById("Display");
displayArea.innerHTML = "";
if (Data.length === 0) {
displayArea.innerHTML = "No elements in the Array!";
console.log("Array is empty.");
} else {
for (let i = 0; i < Data.length; i++) {
displayArea.innerHTML += `Element ${i + 1}: ${Data[i]}<br>`;
}
console.log("Displaying Array: ", Data);
}
}
</script>
</body>
</html>
Output:
Stack in C Language with User Input
#include <stdio.h>
#include <stdbool.h>
#define MAX 10
int Data[MAX];
int top = -1;
// Function to check if the stack is full
bool isFull() {
return top >= MAX - 1;
}
// Function to check if the stack is empty
bool isEmpty() {
return top == -1;
}
// Function to add an element to the stack (Push operation)
void AddEle() {
int Ele;
if (isFull()) {
printf("Array is Full, Element can't be added!\n");
} else {
printf("Enter an element to add: ");
scanf("%d", &Ele); // Read user input
Data[++top] = Ele; // Increment top and add element
printf("Element %d Added!\n", Ele);
}
}
// Function to remove an element from the stack (Pop operation)
void Remove() {
if (isEmpty()) {
printf("Array is Empty, can't remove element!\n");
} else {
printf("Element %d Removed!\n", Data[top--]); // Remove element and decrement top
}
}
// Function to display all elements in the stack
void Display() {
if (isEmpty()) {
printf("Array is Empty!\n");
} else {
printf("Updated Array >> ");
for (int i = 0; i <= top; i++) {
printf("%d ", Data[i]);
}
printf("\n");
}
}
int main() {
int choice;
do {
printf("\n1. Add Element\n2. Remove Element\n3. Display Stack\n4. Exit\n");
printf("Enter your choice: ");
scanf("%d", &choice); // Read the user's choice
switch (choice) {
case 1:
AddEle();
break;
case 2:
Remove();
break;
case 3:
Display();
break;
case 4:
printf("Exiting...\n");
break;
default:
printf("Invalid choice! Please select a valid option.\n");
}
} while (choice != 4);
return 0;
}
Example Output:
1. Add Element
2. Remove Element
3. Display Stack
4. Exit
Enter your choice: 1
Enter an element to add: 55
Element 55 Added!
1. Add Element
2. Remove Element
3. Display Stack
4. Exit
Enter your choice: 3
Updated Array >> 55
1. Add Element
2. Remove Element
3. Display Stack
4. Exit
Enter your choice: 4
Exiting...
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